Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Kiowa, City Of | Kiowa, KS | 869 | 41 | - |
| Dutchess County Boces | Poughkeepsie, NY | 868 | 61 | - |
| Malaga Mdwc Swa | Malaga, NM | 868 | 119 | - |
| 4S Petro Inc. | Greenwood, IN | 868 | 241 | - |
| Lakewood Shores Improvement Association | Wilmington, IL | 868 | 248 | - |
| Tallula | Tallula, IL | 868 | 17 | - |
| Prairie Path Water Company-Holiday Hills | McHenry, IL | 868 | 19 | - |
| Sharpsburg and Neighboring Area Water Sy | Stonington, IL | 868 | 8 | - |
| Jansen S/D | Altamonte Springs, FL | 868 | 30 | - |
| Adams County Parks | Windsor, CO | 868 | 519 | - |
| Luxora Waterworks | Luxora, AR | 868 | 36 | - |
| Okanogan County Fair Water System | Okanogan, WA | 867 | 20 | - |
| The Nokesville School | Manassas, VA | 867 | 0 | - |
| Chisholm Hills Estates | Austin, TX | 867 | 12 | - |
| City of Lone Oak | Lone Oak, TX | 867 | 46 | - |
| Parkdale Water Company Inc | Parkdale, OR | 867 | 167 | - |
| Rhodhiss, Town Of | Rhodhiss, NC | 867 | 22 | - |
| Marysville Water Association | Mount Holly, AR | 867 | 13 | - |
| Midway Water Works | Midway, AL | 867 | 45 | - |
| Alpine Water Association | Blue Springs, MS | 866 | 524 | - |
| Mdot - Vanderbilt Rest Area | Cadillac, MI | 866 | 13 | - |
| Inl Intec | Idaho Falls, ID | 866 | 10 | - |
| S Huntingdon County Schl Dist | Three Springs, PA | 865 | 112 | - |
| Marblehead Village | Marblehead, OH | 865 | 48 | - |
| Aqua Ohio - Timberbrook Pw | Westerville, OH | 865 | 2 | - |
| Tsa Yah Toh NTUA | Ft Defiance, NN | 865 | 77 | - |
| Sears Ez Mart | Bear Lake, MI | 865 | 1 | - |
| Mount Desert Water Dist -Seal | Northeast Harbor, ME | 865 | 24 | - |
| Southern Region Allegany Distrib. System | Cumberland, MD | 865 | 8 | - |
| Pottawatomie Co RWD 2 | Olsburg, KS | 865 | 33 | - |
| Ilur Liberty Commons MHP LLC | Crofton, IL | 865 | 2 | - |
| Dover City Of | Dover, ID | 865 | 23 | - |
| Usfs- Tillie Creek Live Oaks Campgrounds | Overland Park, CA | 865 | 12 | - |
| T&s Buss Inc | Sullivan, WI | 864 | 0 | - |
| Kampersville Campground and Store | Salisbury, VT | 864 | 301 | - |
| North Troy Water System | North Troy, VT | 864 | 199 | - |
| Retreat Water System | Corsicana, TX | 864 | 11 | - |
| City of Devers | Devers, TX | 864 | 28 | - |
| Sugarberry Place | Provo, TX | 864 | 66 | Clean |
| Garrett Community Water Company | Corsicana, TX | 864 | 10 | - |
| View at the Pier the (Sc3770300) | Seneca, SC | 864 | 2 | - |
| Glendale, City Of | Glendale, OR | 864 | 125 | - |
| Oakfield Town | NY | 864 | 0 | - |
| Birchwood | Birchwood, MN | 864 | 35 | - |
| Otisville, Village Of | Otisville, MI | 864 | 272 | - |
| Van Buren Municipal Utilities | Van Buren, IN | 864 | 76 | - |
| Harbour View Apartments | VI | 863 | 14 | - |
| Mina Lake Sanitary District | Aberdeen, SD | 863 | 49 | - |
| Harrison Water District | Harrison, ME | 863 | 24 | - |
| Hanover | Hanover, IL | 863 | 27 | Clean |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).